Ciclobendazole and its Impurities

Ciclobendazole is an anthelmintic, that is a pharmaceutical drug against parasitic worms. where it was found to be as effective as mebendazole in the treatment of hookworm infection and ascariasis, but significantly less effective in the treatment of trichuriasis. Reference standards of Ciclobendazole API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.